DKR03.1-W200N-BA04-01 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat DKR03.1-W200N-BA04-01 is part of the DKR Drive Controllers series with a built-in blower for air cooling. This controller uses an analog command interface and supports digital servo and resolver feedback. It features a rigid DC bus without a brake chopper.
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Product Description:
The DKR03.1-W200N-BA04-01 is a closed-loop drive controller supplied by Bosch Rexroth Indramat within the DKR Drive Controllers series. Acting as a stand-alone axis module, it converts line power into a regulated DC link and modulates three-phase output for torque, speed, and position tasks on synchronous or asynchronous motors. In automated machining centres, palletisers, or transfer lines, the unit serves as the central power stage that follows motion commands from a higher-level PLC while safeguarding the connected motor through integrated monitoring functions.
Power dissipation after braking is handled by a rigid DC bus with no bleeder, so excess energy must be returned to line or absorbed by external hardware; this configuration simplifies the internal topology but influences regenerative planning. The controller receives velocity or torque references over an analog interface, allowing rapid set-point streaming without fieldbus latency. Thermal management relies on air cooling provided by a built-in blower, which draws ambient air through the heatsink and eliminates the need for cabinet chillers. Rotor position is evaluated through digital servo and resolver feedback, giving the control loop high-resolution data for both incremental motion and absolute shaft reference.
The module is produced by Bosch Rexroth Indramat, and its place inside the DKR Drive Controllers architecture is identified by the line series 03, the design version 1, and the function numeric version 01 codes in the type designation. This coding ensures firmware, topology, and option cards match the mechanical frame and power rating selected for a plant. Together, the numbering scheme helps maintenance staff order identical spares and confirms software compatibility when several axes share the same supply.
